David's Astronomy Pages
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 Images (S272) |
 Images Sessions |
Home Page |
 Images (S274) |
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Objects Session Notes
NGC 5820 - Elliptical Galaxy and companions (ARP 136) NGC 5907 - Spiral Galaxy (Splinter Galaxy, Herschel II-759) NGC 4490 - Spiral Galaxy with Supernovae 2008ax NGC 4656 - Spiral Galaxy M67 - Open Cluster Astrometric & Photometric Monitoring
- U Gem (dwarf nova)
- RX And, Z And, AQ CMi, CV CMi, SY Cnc, U Mon, FU Ori (variables)
- Evening session (5.2hr).
Temperature +3.5 to +2.5 degC- CCD operation of -25 degC
(at 78% average cooling).- main objective was to acquire images of certain selected stars for ongoing photometric, in particular U Gem & RX And.
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NGC 5820 / ARP 136 (Bootes) |
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| Annotated CCD Image 4 x 180s exposure (average combine), 2x2 binning, C Filter 2008-03-07 23:10 hUT (#273109-12) |
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NGC 5820 - detail |
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| Negative CCD Image (200% size scaling) Image details as above |
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NGC 5907 / Herschel II-759 (Draco) |
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| CCD Image 4 x 180s exposure (average combine), 2x2 binning, C Filter 2008-03-07 23:32 hUT (#273116-19) |
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NGC 5907 - detail |
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| Negative CCD Image Image details as above |
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NGC 4490 with SN 2008ax (Canes
Venatici) Image below
(2008-03-08.03) was taken 4.6 days after discovery. |
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| Annotated CCD Image 7 x 120s exposure (average combine), 2x2 binning, C Filter 2008-03-08 00:48 hUT (#273136-42) |
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NGC 4490 - detail |
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| CCD Image Square Root Scaling Image details as above |
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| False Colour CCD Image Square Root Scaling, Inverse Spectrum Image details as above |
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NGC 4490 before SN2008ax |
NGC 4490 with SN 2008ax |
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| Annotated CCD Image 7 x 120s exposure (average combine), 2x2 binning, C Filter 2008-02-14 04:00 hUT (#263704-10 |
Annotated CCD Image 7 x 120s exposure (average combine), 2x2 binning, C Filter 2008-03-08 00:48 hUT (#273136-42) |
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NGC 4656 (Canes Venatici) |
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| Annotated CCD Image 5 x 180s exposure (average combine), 2x2 binning, C Filter 2008-03-08 01:09 hUT (#273147-51) |
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NGC 4656 - detail |
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| Negative CCD Image Image details as above |
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| False Colour CCD Image Square Root Scaling, Inverse Spectrum Image details as above |
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M67 (Cancer) |
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| CCD Image
9 x 30s exposure (av. combine), 2x2 binning, C Filter 2008-03-08 01:41h UT (#273167-75) |
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Images collected for Astrometric Monitoring
of Nearby Stars Project
Images collected for Photometric Monitoring
of Variable Stars
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| This Web Page: | CCD Images - Session 273 (2008-03-07) |
| Last Updated : | 2023-10-16 |
| Site Owner : | David Richards |
| Home Page : | David's Astronomy Web Site |
